package com.shouhuyun.controller;


import com.alibaba.dubbo.config.annotation.Reference;
import com.shouhuyun.constant.MessageConstant;
import com.shouhuyun.entity.Result;
import com.shouhuyun.service.MemberService;
import com.shouhuyun.service.ReportService;
import com.shouhuyun.service.SetmealService;
import com.shouhuyun.utils.DateUtils;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.io.OutputStream;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 *  Echarts 报表
 */
@RestController
@RequestMapping("/report")
public class ReportController {

    @Reference
    private MemberService memberService;  // 会员服务
    @Reference
    private SetmealService setmealService;  // 套餐服务
    @Reference
    private ReportService reportService;  // 运营数据服务

    // 会员折线图
    @RequestMapping("/getMemberReport")
    public Result getMemberReport() throws Exception {

        try {
            Map<String,Object> map = new HashMap<>();  // 用来存放返回给页面的数据
            List<String> months = new ArrayList<>();  // 用来存放月份
            List<Integer> memberCount = new ArrayList<>();  // 用来存放每个月的会员数

            Calendar calendar = Calendar.getInstance();  //获得日历对象  默认时间就是当前时间
            // System.out.println(DateUtils.parseDate2String(calendar.getTime()));

            // 计算之前的十二个月
            calendar.add(Calendar.MONTH,-12); // 往前推12个月
            for (int i = 0; i < 12; i++) {
                calendar.add(Calendar.MONTH,1);  // 往后推1个月
                Date date = calendar.getTime();
                months.add(new SimpleDateFormat("yyyy.MM").format(date)); // 日期转换成字符串
                // System.out.println(DateUtils.parseDate2String(date));
            }

            map.put("months",months); // 将月份存入 map 里

            // 查询每个月的会员数量
            memberCount = memberService.findMemberCountByMonths(months);
            map.put("memberCount",memberCount);
            return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS,map);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,MessageConstant.GET_MEMBER_NUMBER_REPORT_FAIL);
        }
    }

    // 套餐预约占比 饼形图
    @RequestMapping("/getSetmealReport")
    public Result getSetmealReport(){

        /**
         * 分析:
         *      返回的data数据应该是一个map 里面包含两个 list
         *          SetmealNames  是一个集合   里面存放的是 字符串
         *          SetmealCount  是一个集合   里面存放的是  map  map里存  name:"套餐名"  和  value:"30"
         */

        try {
            // 1. 用来充当返回给页面的data
            Map<String,Object> data = new HashMap<>();

            // 2. 获取到setmealCount 这个集合
            List<Map<String,Object>> setmealCount = setmealService.findSetmealCount();

                // 2.1 把setmealCount 存到 data的map集合里
            data.put("setmealCount",setmealCount);

            // 3  创建setmealNames 对应的list集合
            List<String> setmealNames = new ArrayList<>();

            // 4. 给setmealNames 里存数据
                // 4.1 遍历setmealCount 拿到 套餐名
            for (Map<String, Object> map : setmealCount) {
                String name = (String) map.get("name");   // 这里通过 get("name") 拿到的是对应的map的key value 的value  所以是Object类型
                // 4.2 把套餐名 存放到 setmealNames里
                setmealNames.add(name);
            }

            // 5. 把setmealNames 存到 data 的 map集合里
            data.put("setmealNames",setmealNames);

            // 6. 数据返回给前端页面
            return new Result(true,MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS,data);
        }catch (Exception e){
            e.printStackTrace();
            return new Result(false,MessageConstant.GET_SETMEAL_COUNT_REPORT_FAIL);
        }

    }

    // 运营数据统计
    @RequestMapping("/getBusinessReportData")
    public Result getBusinessReportData(){
        /**
         * {
         *  "data":{
         *      "todayVisitsNumber":0,
         *      "reportDate":"2019‐04‐25",
         *      "todayNewMember":0,
         *      "thisWeekVisitsNumber":0,
         *      "thisMonthNewMember":2,
         *      "thisWeekNewMember":0,
         *      "totalMember":10,
         *      "thisMonthOrderNumber":2,
         *      "thisMonthVisitsNumber":0,
         *      "todayOrderNumber":0,
         *      "thisWeekOrderNumber":0,
         *      "hotSetmeal":[
         *              {   "proportion":0.4545,
         *                  "name":"粉红珍爱(女)升级TM12项筛查体检套餐",
         *                  "setmeal_count":5
         *              },
         *              {  "proportion":0.1818,
         *                  "name":"阳光爸妈升级肿瘤12项筛查体检套餐",
         *                  "setmeal_count":2
         *              },
         *              {   "proportion":0.1818,
         *                  "name":"珍爱高端升级肿瘤12项筛查",
         *                  "setmeal_count":2
         *              },
         *              {   "proportion":0.0909,
         *                  "name":"孕前检查套餐",
         *                  "setmeal_count":1
         *              }
         *          ],
         *      },
         *
         *      "flag":true,
         *      "message":"获取运营统计数据成功"
         *  }
         */
        try {
            // 1. 用一个map通过 key/value的形式 接收参差不齐的参数
            Map<String,Object> data = new HashMap<>();
            // 2. 查询数据库
            data = reportService.getBusinessReportData();
            return new Result(true,MessageConstant.GET_BUSINESS_REPORT_SUCCESS,data);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    // 导出运营数据统计  excel表
    @RequestMapping("/exportBusinessReport")
    public Result exportBusinessReport(HttpServletRequest request, HttpServletResponse response){
        try {

            Map<String,Object> result  = reportService.getBusinessReportData();
            //取出返回结果数据，准备将报表数据写入到Excel文件中
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");

            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            // 获取到提供的Excel模板
            // 获得绝对路径  File.separator代表路径分隔符
            String filePath = request.getSession().getServletContext().getRealPath("template")+ File.separator+"report_template.xlsx";
            // 基于提供的Excel模板文件在内存中创建一个Excel表格对象
            XSSFWorkbook excel = new XSSFWorkbook(new FileInputStream(new File(filePath)));
            // 读取第一个工作表
            XSSFSheet sheet = excel.getSheetAt(0);

            // 注意 行号下标  差一
            XSSFRow row = sheet.getRow(2);  // 第三行
            row.getCell(5).setCellValue(reportDate);//日期

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数

            int rowNum = 12;
            for(Map map : hotSetmeal){//热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum ++);
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
            }

            // 这个代表的是下载到磁盘
            // OutputStream outputStream = new FileOutputStream("d:");

            // 使用输出流进行表格下载,基于浏览器作为客户端下载
            OutputStream out = response.getOutputStream();
            response.setContentType("application/vnd.ms-excel");//代表的是Excel文件类型
            // 指定以附件形式进行下载   attachment 代表是附件
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");

            excel.write(out);

            out.flush();
            out.close();
            excel.close();
            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,"导入报表失败");
        }
    }

    // 导出运营数据统计  PDF
    @RequestMapping("/exportBusinessReport4PDF")
    public Result exportBusinessReport4PDF(HttpServletRequest request, HttpServletResponse response){
        try {
            Map<String, Object> result = reportService.getBusinessReportData();

            //取出返回结果数据，准备将报表数据写入到PDF文件中
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            //动态获取模板文件绝对磁盘路径
            String jrxmlPath =
                    request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jrxml";
            String jasperPath = request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jasper";
            //编译模板
            JasperCompileManager.compileReportToFile(jrxmlPath, jasperPath);
            //填充数据---使用JavaBean数据源方式填充
            JasperPrint jasperPrint = JasperFillManager.fillReport(jasperPath,result,new JRBeanCollectionDataSource(hotSetmeal));

            // 获得输出流
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/pdf");
            response.setHeader("content-Disposition",
                    "attachment;filename=report.pdf");
            //输出文件
            JasperExportManager.exportReportToPdfStream(jasperPrint,out);
            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    @RequestMapping("/findByMonthReport")
    public Result findByMonthReport(@RequestBody List<Date> fromDate) throws Exception {
        System.out.println(fromDate);
        /*String dateStr = "2017-05-18T10:26:10.488Z";
        SimpleDateFormat df1 = new SimpleDateFormat("yyyy-MM-dd");//需要转化成的时间格式
        Date date1 = dff.parse(dateStr);
        String str1 = df1.format(date1);
        System.out.println("str1 is "+str1);*/
//        获取日期字符串
        try {
            List<String> dates = new ArrayList<>();

            for (Date date1 : fromDate) {
                SimpleDateFormat df1 = new SimpleDateFormat("yyyy-MM-dd");//需要转化成的时间格式
                String date = df1.format(df1.parse(DateUtils.parseDate2String(date1)));
                dates.add(date);
            }



            Map<String,Object> map = new HashMap<>();  // 用来存放返回给页面的数据
            List<String> months = new ArrayList<>();  // 用来存放月份
            //List<Integer> memberCount = new ArrayList<>();  // 用来存放每个月的会员数


          // SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");
            String  startMonth=dates.get(0);
            String  endMonth=dates.get(1);
            Date start = DateUtils.parseString2Date(startMonth);
            Date end = DateUtils.parseString2Date(endMonth);
            Calendar calendar = Calendar.getInstance();
            calendar.setTime(start);
            months.add(startMonth);
            while(calendar.getTime().before(end)){
                System.out.println(calendar.getTime());
                calendar.add(Calendar.MONTH,1);
                String s = DateUtils.parseDate2String(calendar.getTime());
                 months.add(s);
                // String dataStr=sdf.format(calendar.getTime()) ;
            }

//
//            List<String> monthBetween = DateUtils.getMonthBetween(startMonth, endMonth);
//            List<Integer> countList = memberService.findMemberCountByMonths(monthBetween);


            // 日期转换成字符串
            // System.out.println(DateUtils.parseDate2String(date));
            // }

            map.put("months",months); // 将月份存入 map 里

            // 查询每个月的会员数量
            List<Integer> memberCount = memberService.findMemberCountByMonth(months);
            map.put("memberCount",memberCount);
            return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS,map);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,MessageConstant.GET_MEMBER_NUMBER_REPORT_FAIL);
        }
  }

}
